Hardware Spec Index

Caldera SN-6635 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6635-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index7,620 (SSDs scale)
Category rank#1,495
Street price$139
Power5 W (active)
Performance per dollar54.82
Released2023

Specifications

BrandCaldera
ModelCaldera SN-6635 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write5,200 MB/s
Random 4K read1,280K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-8301 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD7,383$139Compare
Mirenta SN-1977 Edge 2TB PCIe 3.0 NVMe M.2 2280 SSD13,325$499Compare
Caldera SN-8029 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,196$149Compare
Caldera SN-9346 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD5,114$59Compare
Strivon SN-4346 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD9,662$269Compare
Altrix SN-5107 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD14,900$599Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6635 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9953845 (accessed 2026-10-23).